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Finding the Fourth Proportional to 223,079.46, 334,619.18 and 65,307.92

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Solution

The fourth proportional to 223,079.46, 334,619.18 and 65,307.92 is: 97,961.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,079.46 : 334,619.18 = 65,307.92 : x
  2. Step 2: Convert to fraction form
    223,079.46/334,619.18 = 65,307.92/x
  3. Step 3: Cross multiply
    223,079.46x = 334,619.18 × 65,307.92
  4. Step 4: Simplify right side
    223,079.46x = 21,853,280,638.27
  5. Step 5: Solve for x
    x = 21,853,280,638.27/223,079.46
  6. Step 6: Final answer
    x = 97,961.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.